<template>
  <a-card :bordered="false">
    <!-- 操作按钮区域 -->
    <div class="table-operator">
      <a-button @click="handleAdd" type="primary" icon="plus">{{ $t('新增') }}</a-button>
      <a-button @click="batchDel" v-if="selectedRowKeys.length > 0" ghost type="primary" icon="delete"
        >{{ $t('批量删除') }}
      </a-button>
    </div>

    <!-- table区域-begin -->
    <div>
      <div class="ant-alert ant-alert-info" style="margin-bottom: 16px">
        <i class="anticon anticon-info-circle ant-alert-icon"></i>
        <i18n path="selected-items" tag="span">
          <a place="items" style="font-weight: 600">{{ selectedRowKeys.length }}</a>
        </i18n>
        <a style="margin-left: 24px" @click="onClearSelected">{{ $t('清空') }}</a>
      </div>

      <a-table
        :columns="columns"
        size="middle"
        :pagination="false"
        :dataSource="dataSource"
        :loading="loading"
        @expand="expandSubmenu"
        :expandedRowKeys="expandedRowKeys"
        :rowSelection="{ selectedRowKeys: selectedRowKeys, onChange: onSelectChange }"
        @expandedRowsChange="handleExpandedRowsChange"
      >
        <span slot="action" slot-scope="text, record">
          <a @click="handleEdit(record)">{{ $t('编辑') }}</a>
          <a-divider type="vertical" />
          <a-dropdown>
            <a class="ant-dropdown-link"> {{ $t('更多') }} <a-icon type="down" /> </a>
            <a-menu slot="overlay">
              <a-menu-item>
                <a href="javascript:;" @click="handleDetail(record)">{{ $t('详情') }}</a>
              </a-menu-item>
              <a-menu-item>
                <a href="javascript:;" @click="handleAddSub(record)">{{ $t('添加下级') }}</a>
              </a-menu-item>
              <a-menu-item>
                <a href="javascript:;" @click="handleDataRule(record)">{{ $t('数据规则') }}</a>
              </a-menu-item>
              <a-menu-item>
                <a-popconfirm :title="$t('确定删除吗?')" @confirm="() => handleDelete(record.id)" placement="topLeft">
                  <a>{{ $t('删除') }}</a>
                </a-popconfirm>
              </a-menu-item>
            </a-menu>
          </a-dropdown>
        </span>
        <!-- 字符串超长截取省略号显示 -->
        <span slot="url" slot-scope="text">
          <j-ellipsis :value="text" :length="25" />
        </span>
        <!-- 字符串超长截取省略号显示-->
        <span slot="component" slot-scope="text">
          <j-ellipsis :value="text" />
        </span>
      </a-table>
    </div>
    <!-- table区域-end -->

    <permission-modal ref="modalForm" @ok="modalFormOk"></permission-modal>
    <permission-data-rule-list ref="PermissionDataRuleList" @ok="modalFormOk"></permission-data-rule-list>
  </a-card>
</template>

<script>
import { getSystemMenuList, getSystemSubmenu, getSystemSubmenuBatch } from '@/api/api'
import { JeecgListMixin } from '@/mixins/JeecgListMixin'
import PermissionModal from './modules/PermissionModal'
import PermissionDataRuleList from './PermissionDataRuleList'
import JEllipsis from '@/components/jeecg/JEllipsis'

export default {
  name: 'PermissionListAsync',
  mixins: [JeecgListMixin],
  components: {
    PermissionDataRuleList,
    PermissionModal,
    JEllipsis,
  },
  data() {
    return {
      description: '这是菜单管理页面',
      // 表头
      columns: [
        {
          title: this.$t('菜单名称'),
          dataIndex: 'name',
          key: 'name',
        },
        {
          title: this.$t('菜单类型'),
          dataIndex: 'menuType',
          key: 'menuType',
          customRender: (text) => {
            if (text == 0) {
              return this.$t('菜单')
            } else if (text == 1) {
              return this.$t('菜单')
            } else if (text == 2) {
              return this.$t('按钮/权限')
            } else {
              return text
            }
          },
        },
        /* {
          title: this.$t('权限编码'),
          dataIndex: 'perms',
          key: 'permissionCode',
        }, */ 
        {
          title: 'icon',
          dataIndex: 'icon',
          key: 'icon',
        },
        {
          title: this.$t('组件'),
          dataIndex: 'component',
          key: 'component',
          scopedSlots: { customRender: 'component' },
        },
        {
          title: this.$t('路径'),
          dataIndex: 'url',
          key: 'url',
          scopedSlots: { customRender: 'url' },
        },
        {
          title: this.$t('排序'),
          dataIndex: 'sortNo',
          key: 'sortNo',
        },
        {
          title: this.$t('操作'),
          dataIndex: 'action',
          scopedSlots: { customRender: 'action' },
          align: 'center',
          width: 150,
        },
      ],
      loading: false,
      // 展开的行，受控属性
      expandedRowKeys: [],
      url: {
        list: '/sys/permission/list',
        delete: '/sys/permission/delete',
        deleteBatch: '/sys/permission/deleteBatch',
      },
    }
  },
  methods: {
    loadData() {
      this.loading = true
      getSystemMenuList()
        .then((res) => {
          if (res.success) {
            this.dataSource = res.result
            return this.loadDataByExpandedRows(this.dataSource)
          }
        })
        .finally(() => {
          this.loading = false
        })
    },
    expandSubmenu(expanded, record) {
      if (expanded && (!record.children || record.children.length === 0)) {
        getSystemSubmenu({ parentId: record.id }).then((res) => {
          if (res.success) {
            record.children = res.result
          }
        })
      }
    },
    // 根据已展开的行查询数据（用于保存后刷新时异步加载子级的数据）
    loadDataByExpandedRows(dataList) {
      if (this.expandedRowKeys.length > 0) {
        return getSystemSubmenuBatch({ parentIds: this.expandedRowKeys.join(',') }).then((res) => {
          if (res.success) {
            let childrenMap = res.result
            let fn = (list) => {
              if (list && list.length > 0) {
                list.forEach((data) => {
                  if (this.expandedRowKeys.includes(data.id)) {
                    data.children = childrenMap[data.id]
                    fn(data.children)
                  }
                })
              }
            }
            fn(dataList)
          }
        })
      } else {
        return Promise.resolve()
      }
    },
    // 打开数据规则编辑
    handleDataRule(record) {
      this.$refs.PermissionDataRuleList.edit(record)
    },
    handleAddSub(record) {
      this.$refs.modalForm.title = this.$t('添加子菜单')
      this.$refs.modalForm.disableSubmit = false
      this.$refs.modalForm.edit({ status: '1', permsType: '1', route: true, parentId: record.id, menuType: 1 })
    },
    handleExpandedRowsChange(expandedRows) {
      this.expandedRowKeys = expandedRows
    },
  },
}
</script>
<style scoped>
@import '~@assets/less/common.less';
</style>